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Refractory material
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Patent number 5,004,039
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Issue date Apr 2, 1991
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Remet Corporation
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Roy C. Feagin
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B22 - CASTING POWDER METALLURGY
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Refractory material
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Patent number 4,504,591
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Issue date Mar 12, 1985
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Remet Corporation
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Roy C. Feagin
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B22 - CASTING POWDER METALLURGY
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Refractory material
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Patent number 4,415,673
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Issue date Nov 15, 1983
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Remet Corporation
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Roy C. Feagin
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B22 - CASTING POWDER METALLURGY
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Ceramic shell mold
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Patent number 4,196,769
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Issue date Apr 8, 1980
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Remet Corporation
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Roy C. Feagin
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B22 - CASTING POWDER METALLURGY